EP0912247B1 - Modele perfectionne de concasseur de matieres minerales - Google Patents

Modele perfectionne de concasseur de matieres minerales Download PDF

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Publication number
EP0912247B1
EP0912247B1 EP97917357A EP97917357A EP0912247B1 EP 0912247 B1 EP0912247 B1 EP 0912247B1 EP 97917357 A EP97917357 A EP 97917357A EP 97917357 A EP97917357 A EP 97917357A EP 0912247 B1 EP0912247 B1 EP 0912247B1
Authority
EP
European Patent Office
Prior art keywords
mineral
collection member
crusher
roller
breaker plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97917357A
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German (de)
English (en)
Other versions
EP0912247A1 (fr
Inventor
Robert Taylor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAYLOR WOOLHOUSE HOLDINGS Ltd
Original Assignee
TAYLOR WOOLHOUSE HOLDINGS LIMI
Taylor Woolhouse Holdings Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TAYLOR WOOLHOUSE HOLDINGS LIMI, Taylor Woolhouse Holdings Ltd filed Critical TAYLOR WOOLHOUSE HOLDINGS LIMI
Publication of EP0912247A1 publication Critical patent/EP0912247A1/fr
Application granted granted Critical
Publication of EP0912247B1 publication Critical patent/EP0912247B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/26—Details
    • B02C13/282—Shape or inner surface of mill-housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
    • B02C13/06—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor
    • B02C13/09—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft with beaters rigidly connected to the rotor and throwing the material against an anvil or impact plate

Definitions

  • the present invention relates to a mineral crusher for reducing a mineral material, comprising a rotating roller having a plurality of projecting impact members.
  • a rotating drum has a plurality of blow bars, impact bars or teeth, which as the roller rotates at high speed, impact large lumps and particles of the mineral causing reduction in mineral particle size.
  • the blow bars throw the mineral against a breaker plate, spaced apart from the roller. Reduction of the mineral material occurs by impact with the blow bars, impellers or teeth and by impact with the breaker plate.
  • a prior art mineral crusher assembly comprising a roller 1 arranged to rotate under power about an axle 2, the roller comprising a plurality of impeller bars 3 extending radially outward of the roller, an outer casing 4 comprising first and second opposite upright sides, a front panel 6, a back panel 7 and a roof, the roof being lined with a plurality of breaker plates 8, 9, 10 against which the mineral is thrown, and a grid 11.
  • the mineral On entering an open mouth 12 of the crusher, the mineral encounters the rapidly rotating roller 1 and is reduced by impact with the roller, and particularly the impeller bars 3.
  • the impeller bars throw lumps of the material against the breaker plates 8, 9, 10 and the mineral repeatedly bounces backwards and forwards between the roller and the breaker plates, being reduced on every impact.
  • the maximum size of particle to which the mineral is reduced is largely determined by the distance between the final breaker plate 10 and the roller.
  • the position of the final breaker plate 10 with respect to the roller is adjustable.
  • the resulting reduced mineral has a range of particle sizes varying from various small particles eg. grains of sand, through aggregate of 10mm, 20mm average particle size, up to the maximum particle size, eg. 100mm.
  • the reduced mineral may be separated and graded into different sized particles as required on exiting the crusher.
  • the grid 11 comprises a plurality of substantially parallel bars spaced apart from each other.
  • the position of the grid with respect to the roller may be adjustable, and the grid may be swung away from the roller, being swung from a hinge.
  • the grid 11 is shown schematically in Fig. 3 herewith.
  • FIG. 4 Another prior art crusher, shown in Fig. 4 herewith, operates similarly as the crusher of Fig. 2, except that the final reduction occurs by the hinged grid section 30 completely underneath the roller, between the front and rear panels of the casing.
  • the grid 11 and the semi circular grid 30 each experience a high degree of wear, leading to increased maintenance and running costs of the crusher.
  • GB-A-633102 (Pattinson) a crushing machine which utilizes material which has already been crushed in an attempt to aid crushing of new material and prevent undue wear on the striking surfaces of the crushing machine is disclosed. However, the machine does not appear to have any provisions should an oversized piece of material be entered into it, thereby risking damage to the machine.
  • FR-A-2323444 (Hazemag) apparatus is disclosed having a breaker which may be adjustable. However, the crusher does not appear to be capable of varying the amount of ground mineral accumulated.
  • a mineral crusher for reducing a mineral material comprising:
  • said collection member is tiltable against resilience of at least one compression spring.
  • said tiltable collection member is tiltable about a substantially horizontal position.
  • said tiltable collection member allows passage of oversized material passed said collection member.
  • said collection member is slideable in a substantially horizontal direction either towards or away from said roller.
  • a surface area of said collection member extendible from said casing is adjustable.
  • said collection member is arranged to accumulate said mineral material such that said accumulation reduces said thrown material upon impact of said thrown material and said accumulated material.
  • an area of said upper surface of said collection member which is exposed to said thrown material is adjustable such as to allow the volume of accumulated material to be varied.
  • a surface area of the accumulation of material exposed to the thrown material can be varied.
  • said mineral material is thrown directly by the impact members in a downward direction at said accumulation of mineral material.
  • said accumulation of material forms an inclined face presented opposite the said roller.
  • said collection member is arranged at a position below a main rotational axis of the roller.
  • said collection member extends in a plane transverse to a tangent of a direction of rotation of said impact members.
  • said collection member extends in a plane substantially parallel to a plane passing through a main rotational axis of the roller.
  • a mineral passage exists between an upright wall of the casing and a roller through which mineral passes in use, wherein said collection member is positioned to intercept material passing through said passage.
  • said collection member is positioned below a substantially upright breaker plate, the arrangement being such that the accumulation of material forms between the upright breaker and the collection member.
  • the mineral crusher further comprises an adjustable breaker plate positioned above said collection member.
  • the mineral crusher further comprises an adjustable breaker plate arranged opposite said roller, and capable of adjustment either towards or away from said roller.
  • said breaker plate is capable of adopting an operating position in which the breaker plate is maintained relatively rigidly under the impact of mineral material against the breaker plate, and is capable of adopting a release position, said release position being further away from the roller than said operating positions.
  • said adjustable breaker plate is resiliently biased towards the operating position.
  • said breaker plate is arranged to pivot about an upper end thereof.
  • a gap between the breaker plate and roller may be varied for producing a selected size of miner particles.
  • said collection member comprises a plate of hardened steel.
  • a mineral crusher comprises a roller 50 arranged to rotate about a main central axis 51, by means of a central axle 52, which may be driven externally of the crusher, the roller comprising a plurality of impact members 53, 54, 55, 56 extending substantially radially from the roller; a casing 57, comprising a base portion 58 and a canopy portion 59, the base portion 58 comprising first and second base sides, one positioned each side of the roller, and front and end base plates 60, 61, respectively, and the canopy 59 comprising first and second canopy sides, positioned either side of the roller, between the canopy sides a mouth portion 62, for entering mineral into the canopy, and a sloping roof portion 63, 64.
  • the canopy 59 is hingedly connected to the base 58 by means of removable hinges 70, 71 provided at the front and rear of the casing respectively, so that the canopy can tilt either backwards or forwards, for maintenance and for clearance of debris etc.
  • the interior of the canopy is lined with a plurality of thick steel plates 75, 76, 77, against which mineral may be impacted.
  • an adjustable breaker plate 80 At a rear end of the roof 59 is provided an adjustable breaker plate 80, which may be arranged in an upright position or vertically. The breaker plate is adjustable, such that a gap between the breaker plate 80 and the roller 50 may be varied for producing a selected size of mineral particles.
  • the adjustable breaker plate 80 is resiliently biased by a resilient means 90, in the form of one or a plurality of coil springs, such as to allow the adjustable breaker plate 80 to be swung away from the roller under the force of an over size article, eg. steel object such as steel bar or girder, or a large block of wood.
  • the adjustable breaker plate 80 provided with adjustment means secured to a reverse side of the breaker plate and to a breaker plate support 81 comprising the canopy 59.
  • the adjustable breaker plate is capable of adopting a normal operating position, in which the breaker plate does not move under the forces of normal impact of mineral material there against, or adopting a release position, in which the adjustable breaker plate is capable of pivoting about a pivot axis at an upper end of the breaker plate, so as to move further away from the roller.
  • a collection member 100 in the form of a thick hardened steel plate which projects into a passage 101 between the rear end of the base of the casing and the roller 50.
  • the collection member can be slid in a substantially horizontal direction either towards or away from the roller, such that a surface area of the collection member which is exposed in the passage 101 can be increased or reduced.
  • the plane of the surface of the collection member exposed in the passage is presented transverse to a tangent to the direction of rotation of the roller.
  • the collection member is secured to a collection member base 105 in the form of a box section steel fabrication, and a front end of the collection member projects over one end of the collection member base.
  • the rear end of the collection member is secured to the collection member base by elongate bolts or other means, and compression springs 107, with the effect that the rear end of the collection member is urged downwards onto the collection member base.
  • the forward end of the collection member is depressed with sufficient force, the collection member is tiltable, against the resilience of the compression springs 107, the collection member immediately returning to the substantially horizontal position upon release of the downward force on the front of the collection member, by virtue of the resilience of the compression springs 107.
  • Fig. 6 of the accompanying drawings there is shown an example of passage of mineral through the crusher under normal operation.
  • the drum 50 rotates in an anti-clockwise direction as seen in Fig. 6, ie in a direction towards the rear of the casing and towards the breaker plates.
  • the impact members 53-56 propel the mineral at the breaker plates lining the roof, and the mineral bounces between the roller and impact members and the breaker plates of the roof, reducing in size by impact with the breaker plates, roller impact members and other pieces of mineral.
  • the adjustable breaker plate 80 in combination with the impact members and roller causes crushing and breaking of the mineral, and from the lower portion of the suspended adjustable upright breaking plate 80, the mineral is propelled and thrown in a general downward direction, where an accumulation of the mineral is collected on the upper surface 102 of the collection member 100, between the collection member and a vertical fixed breaker plate 108 at the rear of the base, to cause a scree type build up 200 of mineral as shown schematically in Fig. 6.
  • the volume of the accumulation may be altered by sliding the collection member further towards the roller, or decreased by retracting the collection member away from the roller.
  • An inclined outer face 201 of the accumulated mineral scree faces the roller.
  • the thrown mineral impacts with the accumulation of mineral, causing reduction of the thrown mineral by impacting with the accumulated mineral.
  • Mineral may also be thrown against the substantially vertical breaker plate 108, and the accumulation of material built up between the upper surface of the collection member 100 and the upright or substantially vertical breaker plate 108.
  • Material running off the accumulated material falls out of the open base of the casing, into a hopper or other receptacle, or into a pile underneath the crusher.
  • an oversize or non-reducible object 800 eg a large piece of steel, a girder or steel bar, or a large block of wood passes through the crusher.
  • a lower end of the adjustable breaker plate 80 swings against the adjustable breaker plate support 81, when the oversize object passes through the gap between the roller and the adjustable breaker plate 80.
  • the springs of the adjustable breaker plate support are pre-selected such as to maintain the breaker plate in the normal operating position as shown in Fig. 5 for forces on the breaker plate caused by normal crushing of material, but to allow some movement of the breaker plate to a release position under extreme forces, such as caused by the passage of an oversized object.
  • the lower end of the adjustable breaker plate is immediately returned to the normal operating position by the resilience of the compression coil springs of the adjustable breaker plate support 81.
  • the oversize object 800 reaches a position 802 in the passage 101, at which the object must pass between the collection member 100 and the roller 50, the forward end of the collection member 100 tilts as described above, against the compression springs 107 acting on the rear of the collection member. The accumulation of mineral material will be gouged out, or otherwise dislodged by passage of the oversize object 800 past the collection member.
  • the collection member 100 returns to its substantially horizontal position and continues to collect mineral as previously.
  • the volume of the accumulation of the material builds up to its previous level or a substantially similar volume, and the crusher may operate as previously, breaking the mineral stream by impact with the accumulation of mineral material.
  • Fig. 8 there is shown the mineral crusher in rear view, in which the plurality of compression springs 107 are seen urging a portion of the collection member 100 to a horizontal extending flange 900 of the rear end of the casing base, for keeping the collection member in a substantially horizontal position.
  • First and second elongate bolts 901, 902 secure the compression springs 107 to the flange 900, the bolts passing through the compression springs 107, through apertures in the collection member 100, and being secured to the flange 900.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Crushing And Grinding (AREA)
  • Disintegrating Or Milling (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Claims (22)

  1. Un broyeur de minérai pour la réduction de matériau minéral, le broyeur de minérai consistant en:
    un rouleau tournant (50) ayant une pluralité de membres à impact saillants;
    un membre collecteur (100) pour retenir une accumulation de matériau minéral, où la disposition est telle que lors de l'usage, les dits membres à impact agissent pour lancer le matériau minéral vers le membre collecteur; et
    une base de boítier (58) ayant une paroi verticale dans laquelle le dit membre collecteur est monté de manière escamotable,
       caractérisé par le fait que le dit membre collecteur est escamotable et extensible dans la dite paroi verticale.
  2. Un broyeur de minérai selon la revendication 1, où le dit membre collecteur peut se basculer contre la résilience d'au moins un ressort de compression (107).
  3. Un broyeur de minérai selon la revendication 2, où le dit membre collecteur basculant peut se basculer autour d'une position en grande partie horizontale.
  4. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où le dit membre collecteur basculant permet le passage de matériau surdimensionné devant le dit membre collecteur.
  5. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où le dit membre collecteur peut glisser dans un sens en grande partie horizontale soit vers soit s'éloignant du dit rouleau tel qu'une superficie du dit membre collecteur qui peut s'étendre du dit boítier est réglable.
  6. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où le dit membre collecteur est disposé pour accumuler le dit matériau minéral de façon que la dite accumulation réduit le dit matériau lancé à l'impact du dit matériau lancé et du dit matériau accumulé.
  7. Un broyeur de minérai selon la revendication 6, où une zone de la dite superficie supérieure du dit membre collecteur qui est exposée au dit matériau lancé est réglable de façon à permettre que le volume de matériau lancé soit varié.
  8. Un broyeur de minérai selon la revendication 7, où par réglage de la superficie du membre collecteur exposé au dit matériau lancé, une superficie de l'accumulation du matériau exposé au matériau lancé peut être variée.
  9. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où le dit matériau minéral est lancé directment par les membres à impact vers le bas contre la dite accumulation de matériau minéral.
  10. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où lors de l'emploi, la dite accumulation de minéral forme un plan incliné présenté en face du dit rouleau.
  11. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où le dit membre collecteur est disposé à une position sous un axe de rotation principal du rouleau.
  12. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où le dit membre collecteur s'étend dans un plan transversal à une tangente d'une direction de rotation des dits membres à impact.
  13. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où le dit membre collecteur s'étend dans un plan en grande partie parallèle à un plan traversant un axe de rotation principal du rouleau.
  14. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où un passage à minérai existe entre une paroi verticale du boítier et un rouleau au travers duquel le minérai passe lors de l'emploi, dans lequel le dit membre collecteur est positionné pour intercepter le matériau qui traverse le dit passage.
  15. Un broyeur de minérai selon n'importe quelle des revendications précédentes, où le dit membre collecteur est positionné sous une plaque casseuse en grande partie vertical, la disposition étant telle que l'accumulation de matériau forme entre la plaque casseuse verticale et le membre collecteur.
  16. Un broyeur de minérai selon n'importe quelle des revendications précédentes comprenant en plus une plaque casseuse réglable positionnée au-dessus du dit membre collecteur.
  17. Un broyeur de minérai selon n'importe quelle des revendications précédentes comprenant en plus une plaque casseuse réglable disposée en face du dit rouleau, et capable d'être réglée soit vers soit s'éloignant du dit rouleau.
  18. Un broyeur de minérai selon la revendication 17, où la dite plaque casseuse est capable d'adopter une position de fonctionnement dans laquelle la plaque casseuse est gardée relativement rigidement sous l'impact du matériau minéral contre la plaque casseuse, et est capable d'adopter une position de dégagement, la dite position de dégagement étant plus éloignée du rouleau que la dite position de fonctionnement.
  19. Un broyeur de minérai selon la revendication 18, où la dite plaque casseuse réglable est inclinée de manière résiliente pour la position de fonctionnement.
  20. Un broyeur de minérai selon la revendication 19, où la dite plaque casseuse est disposée pour se pivoter autour d'une extrémité supérieur de celle-ci.
  21. Un broyeur de minérai selon la revendication 17, où un espace libre entre la plaque casseuse et le rouleau peut être varié pour produire une grandeur de particules minérales choisie.
  22. Un broyeur de minérai selon n'importe quelle des revendications précédentes où le dit membre collecteur consiste en une plaque en acier trempé.
EP97917357A 1996-04-22 1997-04-18 Modele perfectionne de concasseur de matieres minerales Expired - Lifetime EP0912247B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9608283 1996-04-22
GBGB9608283.9A GB9608283D0 (en) 1996-04-22 1996-04-22 Improvements to mineral crusher
PCT/GB1997/001079 WO1997039828A1 (fr) 1996-04-22 1997-04-18 Modele perfectionne de concasseur de matieres minerales

Publications (2)

Publication Number Publication Date
EP0912247A1 EP0912247A1 (fr) 1999-05-06
EP0912247B1 true EP0912247B1 (fr) 2000-11-08

Family

ID=10792450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97917357A Expired - Lifetime EP0912247B1 (fr) 1996-04-22 1997-04-18 Modele perfectionne de concasseur de matieres minerales

Country Status (7)

Country Link
EP (1) EP0912247B1 (fr)
AT (1) ATE197411T1 (fr)
AU (1) AU2573497A (fr)
DE (1) DE69703492T2 (fr)
ES (1) ES2154459T3 (fr)
GB (1) GB9608283D0 (fr)
WO (1) WO1997039828A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7748655B2 (en) 2007-06-15 2010-07-06 Riley Power, Inc. Crusher block assembly for particulate size reduction system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000000479A (ja) * 1998-06-17 2000-01-07 Fujikawa Kinzoku Kk ウェザーストリップの廃材の破砕・分離加工方法及びその装置
CN111495500B (zh) * 2020-04-20 2020-12-15 邯郸市斯诺普胶管有限公司 一种增强型橡胶软管原料密练方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2292852A (en) * 1940-07-17 1942-08-11 Nordberg Manufacturing Co Impact crusher
GB633102A (en) * 1947-03-24 1949-12-12 George Henry Pattinson Improvements in or relating to impact breaking or crushing machines
DE967697C (de) * 1952-03-14 1957-12-05 Esch Werke K G Maschinenfabrik Schlag- oder Schleudermuehle mit in beiden Drehrichtungen antreibbarem Rotor
CH360871A (de) * 1958-09-03 1962-03-15 Hochdorf Ag Maschf Vorrichtung zum Zerkleinern faseriger Landwirtschaftsprodukte
DE2541036C2 (de) * 1975-09-15 1985-04-18 Hazemag Dr. E. Andreas GmbH & Co, 4400 Münster Mehrzweck-Prallmühle
JPH0779969B2 (ja) * 1991-01-14 1995-08-30 株式会社栗本鐵工所 横型衝撃式破砕機
JP2684904B2 (ja) * 1991-11-08 1997-12-03 株式会社栗本鐵工所 横型の衝撃式破砕整粒機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7748655B2 (en) 2007-06-15 2010-07-06 Riley Power, Inc. Crusher block assembly for particulate size reduction system

Also Published As

Publication number Publication date
EP0912247A1 (fr) 1999-05-06
ATE197411T1 (de) 2000-11-11
ES2154459T3 (es) 2001-04-01
DE69703492T2 (de) 2001-06-13
AU2573497A (en) 1997-11-12
DE69703492D1 (de) 2000-12-14
GB9608283D0 (en) 1996-06-26
WO1997039828A1 (fr) 1997-10-30

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